Lines Matching +full:0 +full:pointer

13  * pointer with the same return value.
16  * error and pointer decisions.
23  * IS_ERR_VALUE - Detect an error pointer.
24  * @x: The pointer to check.
31  * ERR_PTR - Create an error pointer.
34  * Encodes @error into a pointer value. Users should consider the result
37  * Return: A pointer with @error encoded within its value.
45  * PTR_ERR - Extract the error code from an error pointer.
46  * @ptr: An error pointer.
55  * IS_ERR - Detect an error pointer.
56  * @ptr: The pointer to check.
57  * Return: true if @ptr is an error pointer, false otherwise.
65  * IS_ERR_OR_NULL - Detect an error pointer or a null pointer.
66  * @ptr: The pointer to check.
68  * Like IS_ERR(), but also returns true for a null pointer.
76  * ERR_CAST - Explicitly cast an error-valued pointer to another pointer type
77  * @ptr: The pointer to cast.
79  * Explicitly cast an error-valued pointer to another pointer type in such a
89  * PTR_ERR_OR_ZERO - Extract the error code from a pointer if it has one.
90  * @ptr: A potential error pointer.
101  *		return 0;
103  * Return: The error code within @ptr if it is an error pointer; 0 otherwise.
110 		return 0;  in PTR_ERR_OR_ZERO()